Home / 39,253.86-54,170.59-21,349.00

Finding the Fourth Proportional to 39,253.86, 54,170.59 and 21,349.00

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Solution

The fourth proportional to 39,253.86, 54,170.59 and 21,349.00 is: 29,461.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,253.86 : 54,170.59 = 21,349.00 : x
  2. Step 2: Convert to fraction form
    39,253.86/54,170.59 = 21,349.00/x
  3. Step 3: Cross multiply
    39,253.86x = 54,170.59 × 21,349.00
  4. Step 4: Simplify right side
    39,253.86x = 1,156,487,661.68
  5. Step 5: Solve for x
    x = 1,156,487,661.68/39,253.86
  6. Step 6: Final answer
    x = 29,461.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.